Questions Asked on
March 27, 2011

  1. math

    use >

    asked by cindy
  2. math

    is a rec. a square explain your answer

    asked by cindy
  3. Linguistics

    1) (A) Mary murdered the platypus (B) Mary killed something Is the answer: (a) entails (b) OR (a) presupposes (b) OR both 2) (A) John is taller than Mary (B) Mary is shorter than John Is the answer: (a) entails (b) OR (a) presupposes (b) OR both

    asked by Marcella
  4. maths

    If Sin2x=3sin2y then prove: 2tan(x-y)= tan(x+y)

    asked by saroj
  5. english

    what does this quote mean "We'll have to tighten the belt a little bit and make due"

    asked by kate
  6. computer science

    When $1000 is deposit at 5% simple interest, the amount grows by $50 each year. When money is invested at 5% compound interest, then the amount at the end of each year is 1.05 times the amount at the beginning of the year. Write a program to display the

    asked by James Starr
  7. microsoft exel help

    Suppose that cell B2 contains the budgeted amount and cell C2 contains the actual amount. Write the formula (including the IF conditions) that would insert the word under if the actual amount was less than the budgeted amount and insert the word over if

    asked by Anonymous
  8. human services

    What are some possible obstacles that are preventing resolution of unmet needs of those with disabilities?

    asked by =)
  9. Math

    how will u write 27th March 2011 in 5letters without using numbers.

    asked by Nilesh
  10. Physics

    A spring with k=40.0 N/m is at the base of a frictionless 30.0 degree inclined plane. A 0.50-kg object is pressed against the spring, compressing it 0.20m from its equilibrium position. The object is then released. If the object is not attatched to the

    asked by Anonymous
  11. Physics

    A motorist driving a 1200-kg car on level ground accelerates from 20.0 m/s to 30.0 m/s in a time of 5.0s. Neglecting friction and air resistance, determine the average mechanical power in watts the engine must supply during this time interval.

    asked by Anonymous
  12. Biology

    Sorry for reposting but I really need help with this question and I've waited several hours. What is the trigone of the bladder bounded by? a) top of fundus and uretal orifices b) major and minor calyces c) orifices of ejaculatory ducts and urethra d)

    asked by Lena
  13. scince

    what are the disadvantages of non aqueous titrations

    asked by venkataramanaiah
  14. physics

    A block of mass 2kg slides down a plane having an inclination of ƒá=15.0„a . Ignore friction. The block starts from rest at the top of the incline and the length of the incline is 2.00m. The velocity of the block when it reaches the bottom of the

    asked by hamed
  15. Visual Basic

    The rule of 72 is use to make a quick estiment of the time required for prices to double due to inflation. If the inflation rate is (r)percent, then the rule of 72 estimates that prices will double in 72/r years. For instance, at an inflation rate of 6

    asked by James Starr
  16. physic

    How long will a radio wave, with a wave length of 200 m takes to travel to and for the moon from the earth? (Distance of moon from earth = 3.9 x 108 m)

    asked by yumina
  17. Maths

    Whats the difference?count from 220 to 203 How many is that?

    asked by Kinga
  18. mechanics

    A 5 Kg marble is fired vertically upward using a spring gun. The spring must be compressed 8.0cm if the marble is to just reach a target 20m above the marble’s position on the compressed spring. a) What is the change ∆U in the gravitational potential

    asked by Anonymous
  19. mechanics

    A 60 Kg skier leaves the end of a ski-jump ramp with a velocity of 24m/s directed 25° above the horizontal. Suppose that as a result of air drag the skier returns to the ground with a speed of 22 m/s, landing 14m vertically below the end of the ramp. From

    asked by Anonymous
  20. Chemistry

    A chemist mixes 100ml of H2O at 30 degrees Celsius and 56.0g of CaOin a calorimeter. The following reaction occurs" CaO(s) +H2O(l)--->Ca(OH)2(s) ΔH= -16.0 kcal/mol The heat capacity Ca(OH)2(s) is 19.2 cal/mol*degreeCelsius and the heat of vaporization of

    asked by Kim
  21. math

    define the concept of sampling error

    asked by pat
  22. computer sciece

    The change in memory density with time can be described by B=19.97*10^10.1977(year 1960).If a straight line projection is mode using this equation, what will be the number of memory chips/bits in the year 2020?

    asked by Cathy
  23. computer/internet

    LTE vs 3G and HSPA?

    asked by jake
  24. physics

    what will happen if we suspend a brick with a newton metre in water

    asked by Anonymous
  25. physics

    what is the prarticle diagram for the thermite reaction?

    asked by maya
  26. math

    the number of puppies is 3 more than twice the number of kittens in the canal. if there are k kitten in the canal write an algebra expression for the # of puppies in the canal

    asked by mecca
  27. math

    When a square piece of paper is folded in half vertically, the resulting rectangle has a perimeter of 39cm. In square centimeters, find the area of the original square piece of paper.

    asked by kristen
  28. Human Relations

    Which of the following steps will elicit a meaningful feedback from a passive person? A. confront the person. B. engage in a small talk to fill the uncomfortable empty pauses during a discussion. C. Set time limits. D. Ask close-ended questions. I think

    asked by Nancy
  29. Economics

    “The strength of the GDP data only highlighted the diverging views between the dollar bulls, who predict that strong growth will support the currency, and the bears who warn that stronger growth will only serve to widen the current account deficit and

    asked by CLA
  30. Economics

    “On a net basis, foreigners sold a record $22 billion of long-term Treasury debt in November. A repeat performance would fuel market nightmares about _______ Treasury rates and a _______ dollar.” The blanks are best filled with A. falling; rising B.

    asked by CLA
  31. Economics

    “Many countries peg their own currencies to the greenback; these countries import U.S. inflation when the Fed makes a mistake.” Why would these countries “import” inflation. A. this is incorrect because countries only import goods or services B.

    asked by CLA
  32. chemistry

    substance X has a molar mass of 107.6 g/mol. When 2.50 g of substance x burns in an iron calorimeter, the temp. of the calorimeter and the water (2.000 Kg) increases from 25.8 deg. C to 38.7 deg. C. What is the molar heat of combustion of substance X in

    asked by carla
  33. Computer sciences

    Hello ... In 256PSK, how many bits will each symbol be able to represent? My answer is 8. is it correct? or could it be just ONE bit ? Advice appreciated ... and thank you Boobooo

    asked by Booboo
  34. Math ( calculas)

    find the intervals on which the curve y=x/(x+1)^2 is concave upward or concave downward.

    asked by Tina
  35. English - Native speakers

    Hello! Is it correct to say He watches sport on TV or he watches sports on TV. What is the difference?

    asked by Mark
  36. physics

    A proton is projected in the positive x direction into a region of uniform electric field E = (-6.80 * 10^5 N/C at t = 0. The proton travels 6.80 cm as it comes to rest. (a) Determine the acceleration of the proton. thanks

    asked by Rachel
  37. physics

    An electron moving parallel to the x axis has an initial speed of 4.82 *10^6 m/s at the origin. Its speed is reduced to 1.46 * 10^5 m/s at the point x = 2.00 cm. Calculate the electric potential difference between the origin and that point.

    asked by Rachel
  38. physics

    A copper wire has a circular cross section with a radius of 3.75 mm. If the wire carries a current of 4.00 A, find the drift speed of the electrons in the wire. (Assume the density of charge carriers (electrons) in a copper wire is n = 8.46 *10^28

    asked by Rachel
  39. physics

    A uniform electric field of magnitude 320 V/m is directed in the negative y direction. The coordinates of point A are (-0.300, -0.450) m, and those of point B are (0.650, 0.300) m. Calculate the electric potential difference VB − VA. thanks

    asked by Rachel
  40. physics

    A proton moves at 3.60 *10^5 m/s in the horizontal direction. It enters a uniform vertical electric field with a magnitude of 8.20* 10^3 N/C. Find the time interval required for the proton to travel 4.00 cm horizontally. thanks

    asked by Rachel
  41. Composition (Intro Paragraph)

    I would like to get a little feedback. I had to write an introduction paragraph of at least 250 words that includes a thesis sentence stating how and why the specific work is more than just a piece of entertainment. The thesis must relate why it is a

    asked by Jim
  42. English

    Can you please check these sentences for me? Thank you. I'm unsure about using phrasal verbs in a context. 1) She is thinking of dropping out of school. She doesn't know if she'll be able to deal with her problem by herself. 2)She doesn't like talking

    asked by Mike
  43. physics

    an .18 kg is placed a compressed spring on the floor. the springs exerts an average force of 2.8N through a distance of .15m as it shoots the ball upward. how high will the ball travel above the release spring?

    asked by Anonymous
  44. probability and statistics

    plot the following straight lines y =-60 + 8x and y = 300 -6x

    asked by dianne grant
  45. Math 117

    subtract and simplify if possible 4-z - 8z-5 = z-2 2-z not sure if i got this typed right thank you for anyhelp you may give

    asked by Traccy
  46. Calculator help

    can someone tell me how to graph this equation on my graphing calculator: 300(2+sin(4sqrt x+0.15)) for 0

    asked by tony
  47. algebra

    can anyone help me one this 4x(x-4)-5x(x-3)=0 solve for x

    asked by scott
  48. AP Chem

    What is the net ionic equation when NaOBr is dissolved in water and the Ksp if the Ksp of the dissocataion of HOBr is 6.4 * 10^-6

    asked by james
  49. chemistry

    The amount of 2.00 mol of a solid ionic compound was dissolved in 225 mL of water in an insulated container. The initial temp of water was 20 deg. C and the final temp. was 47.8 deg C. What is the delta heat Dissolution? Assume the heat absorbed by the

    asked by carla
  50. English

    I forgot to include the following sentences.Thank you very much. Sentence number 6 is very long because I included different possible alternatives. 1) I think you should tell Paul's parents that he steals things. You should talk to him before reporting him

    asked by Mike
  51. physics

    A proton is projected in the positive x direction into a region of uniform electric field E = (-6.80 * 10^5 N/C at t = 0. The proton travels 6.80 cm as it comes to rest. (a) Determine the acceleration of the proton. thanks

    asked by Rachel
  52. physics

    An electron moving parallel to the x axis has an initial speed of 4.82 *10^6 m/s at the origin. Its speed is reduced to 1.46 * 10^5 m/s at the point x = 2.00 cm. Calculate the electric potential difference between the origin and that point.

    asked by Rachel
  53. physics

    A copper wire has a circular cross section with a radius of 3.75 mm. If the wire carries a current of 4.00 A, find the drift speed of the electrons in the wire. (Assume the density of charge carriers (electrons) in a copper wire is n = 8.46 *10^28

    asked by Rachel
  54. physics

    A uniform electric field of magnitude 320 V/m is directed in the negative y direction. The coordinates of point A are (-0.300, -0.450) m, and those of point B are (0.650, 0.300) m. Calculate the electric potential difference VB − VA. thanks

    asked by Rachel
  55. physics

    A proton moves at 3.60 *10^5 m/s in the horizontal direction. It enters a uniform vertical electric field with a magnitude of 8.20* 10^3 N/C. Find the time interval required for the proton to travel 4.00 cm horizontally. thanks

    asked by Rachel
  56. chemistry

    Arrange the following 0.1 M solutions in order of increasing pH and state why you placed each solution in that position: NaCH3COO HCl HCN NaOH NH3 NaCN KNO3 H2SO4 NH4CL H2SO3 NaHCO3 Na3PO4 CH3COOH

    asked by Kat
  57. chemistry

    there are __ reprensentative particles in a mole of any substance

    asked by Anonymous
  58. psy202

    contrast 2 theories or perspectives from late stage adult development?

    asked by elley
  59. psy202

    discuss the benefits(pros) and short comes (cons) of each perspectives?

    asked by elley
  60. mathematics

    a box contains 2 white and 3 blue balls.two balls are picked at random,one after the other without replacement.what is the probof picking two balls of different colours?

    asked by tobi
  61. math

    How many ways are there to write 7 element data lists of integers in # order with Median 21, mean 20 range 10 and the Mode 22 and what are they?

    asked by astin
  62. Geometry

    I need to get the largest area of 100 feet of rope. I want to say rectangle: 40L x 40L x 10w x 10w =100 Please advise if I am on the right track. Keeping in mind that you can use any Plan Geometry Shape?

    asked by Jeannie
  63. psy202

    identify how each approach informs or impacts your life,particularly as you prepare for your senior years?

    asked by elley
  64. biology

    The ability of a forager to find food is often related to the ability of the forager to make decisions in the face of imperfect information about its environment. Discuss the effect that imperfect information has on foraging decisions.

    asked by Mike
  65. algebra

    help solve x^+18-4=0

    asked by sam
  66. biology

    In a species, there are usually equal numbers of males and females and occasionally not. Furthermore, parents bias investment to male or female offspring. Discuss the relation of these phenomena.

    asked by Mike
  67. biology

    Sex is not always a fixed characteristic of an organism. There are a variety of sex switching organisms as well as hermaphrodites who act as either male or female depending on the circumstances. How can we understand the behavior surrounding these

    asked by Mike
  68. Critical Thinking

    Which of the following illustrates the key difference between subjective and non-subjective issues?

    asked by Pete
  69. math 117

    a^-5a-36=0 can anyone help me on this??

    asked by austin
  70. linguistics

    For the following: (a) John is angry because Mary murdered the platypus (b) Mary murdered the platypus The answer: A. (a) entails (b) B. (a) presupposes (b) C. Both

    asked by Marcella
  71. french

    on regarde le match? -------------------- on marche sur la corniche? ------------------------ on parten voiture? ---------------- on va aila tour du caire? ---------------------- je fais une excursion au fayoum? -------------------------------- nous

    asked by hana
  72. LINGUISTICS

    Question Consider the following sentences: (a) River Song is an archaelogist from the future. (b) The number 7 is even Based on these two sentences, which of the following is true? A. (a) entails (b) B. (b) entails (a) C. (a) entails (b) and (b) entails

    asked by Marcella
  73. linguistics

    Question Consider the following sentences: (a) River Song is an archaeologist from the future. (b) River Song has a screwdriver. Based on these two sentences, which of the following is true? A. (a) entails (b) B. (b) entails (a) C. (a) entails (b) and (b)

    asked by Marcella
  74. Spanish-7th grade-Please check

    I use spanishtypeit to do accents so I just said after phrase where I would have put the accent mark-thank you for checking 1.¿Cuál es tu deporte favorito? Mi deporte favorito es al golf. 2..¿Te gusta navegar en el internet? Si, me gusta navegar en el

    asked by Shelley
  75. math-- algebra

    If a pro basketball player has a vertical leap of about 25 inches, what is his hang time? Use the hang-time function V=48T^ I am having major problems here!!! I need help.

    asked by tracie
  76. chemistry

    The beaker contains 0.3000 M HCl and the buret contains 0.3000 M NaOH. Write a complete balanced equation for the neutralization reaction between HCl and NaOH.

    asked by Kat
  77. physics

    what should be the resistance of a heating coil which will be used to raise the temperature of 500 grams of water from 28 degrees celcius to 100 degrees celcius in 2 minutes, assuming that 25% of the heat is lost? the heater utilizes 110 volts.

    asked by Anonymous
  78. chemistry

    when copper sulphide is heated a new product is form in white colour plz explain me the whole process..

    asked by fatiii
  79. math

    how many different ways can you pick 2 objects from a set of 7 objects?

    asked by kaykay
  80. Physics

    A radioactive nucleus is at rest when it spontaneously decays by emitting an electron and neutrino (as shown in the figure below ). The momentum of the electron is 8.11 x 10−19 kg·m/s and it is directed at right angles to that of the neutrino. The

    asked by Tom
  81. Physics

    A sled of mass 5.98 kg is coasting along on a frictionless ice-covered lake at a constant speed of 1.42 m/s. A 1.98-kg book is dropped vertically onto the sled. At what speed does the sled move once the book is on it?

    asked by Amber
  82. Physics

    An inexperienced catcher catches a 128 km/h fastball of mass 134 g within 1.01 ms, whereas an experienced catcher slightly retracts his hand during the catch, extending the stopping time to 10.1 ms. What is the average force imparted to the two gloved

    asked by Mallory
  83. algebra

    the perimeter of a rectangle is 82m. the length is 2m ore then twice the width. what is the dimensions?.

    asked by bianca, pleeease help i'm lost
  84. Physics

    A tennis ball of mass 0.0609 kg is served. It strikes the ground with a velocity of 52.5 m/s (117 mi/h) at an angle of 22.0° below the horizontal. Just after the bounce it is moving at 50.5 m/s at an angle of 17.7° above the horizontal. If the

    asked by Rob
  85. Physics

    Find the speed at which Superman (mass=88.0 kg) must fly into a train (mass = 17998 kg) traveling at 60.0 km/hr to stop it. Running into the train at that speed would severely damage both train and passengers. Calculate the minimum time Superman must take

    asked by Daniel
  86. Physics

    Initially, mass one (2.10 kg) has a velocity of 5.90 m/s and mass two (2.80 kg) is at rest. After they collide, mass one emerges at an angle theta = 33.0 degrees. What is the speed of mass one after the collision if the collision is completely elastic?

    asked by Mary
  87. Physics

    Initially, mass one (2.10 kg) has a velocity of 5.90 m/s and mass two (2.80 kg) is at rest. After they collide, mass one emerges at an angle theta = 33.0 degrees. What is the speed of mass one after the collision if the collision is completely elastic?

    asked by Mary
  88. Trigonometry

    A rectangular box shown has dimensions 10" multiplied by 6" multiplied by 4" (a = 10, b = 6, c = 4). Approximate the angle theta formed by a diagonal of the base and a diagonal of the 6" multiplied by 4" side. (Give the answer to two decimal places.)

    asked by Anonymous
  89. Science

    8 points how the gravitational acceleration(g) is used to benefit mankind and the enviroment

    asked by Siza
  90. math

    solve in factored form 3x^8 - 27x^7 + 21x^6

    asked by james
  91. Statistics and Probability

    Suppose you took 1000 random samples of size 200 from the Poisson distribution with u = 5 and computed a 90% confidence interval for each sample. Approximate the probability that at least 920 of these intervals would contain the mean value u = 5. Be sure

    asked by Adam
  92. Math

    In a science fair experiment, 2 units are selected for testing from every 500 units produced. How many ways can these 2 units be selected?

    asked by Austin
  93. evolution

    briefly describe the evolution of movies, television, Internet, books and magazines, and media companies throughout the last century.

    asked by Anonymous
  94. algebra 2

    how do i graph: y(less than or equal to)-6ãx

    asked by courtney
  95. stats

    sample was obtained from a population with unknown parameters. scores: 6, 12, 0, 3, 4 compute the sample mean and sandard deviation. compute the estimated standard error for M.

    asked by T
  96. trigonometry

    Write the equation of the curve in its final position: the graph of y = tan (x) is shifted by (pi/6) units to the right, stretched by a factor of 3, then translated 8 units up.

    asked by chelsea
  97. Algebra 2

    PLEASE HELP WITH THIS-ITS DUE APRIL 5TH, 2011!!! During a past epidemic, the number of infected people increased exponentially with time, or f (t) = ab^t , where f is the number of infected people at time t, in days. Suppose that at the onset of the

    asked by Lindsey
  98. center of mass

    3 point mass of 4g placed at x=1,3,-6. where should a point fourth mass of 4 gm be placed to make the center of the mass at the orgin? this what i got : -24+4+12+4x/16=-8+4x/16. this what i did but i didn't get the right answer(which is 2) can someone tell

    asked by lou
  99. Algebra

    Solve the proporttion 32/X = 2/3 32 + 2 = 16 3 + Please help

    asked by Jeannie
  100. Algebra 2

    PLEASE HELP-DUE APRIL 5TH, 2011!!!! EARTHQUAKES an earthquake rated at 3.5 on the Richter scale is felt by many people, and an earthquake rated at 4.5 may cause local damage. The Richter scale magnitude reading m is given by m = log (base 10) x, where x

    asked by Lindsey
  101. grade 9 polynomials

    7 (r+3s) - 2(2r -9s) I am having a hard time solving can anyone please help

    asked by brooke
  102. Biology

    What will happen to a turgid plant cell with an initial water potential of 0.5 MPa when dropped into a large beaker of water and solute that has a water potential of -1.5 MPa?

    asked by Leslie
  103. Chemistry

    Calculate the pH after 0.13 mol of NaOH is added to 1.00 L of the solution that is 0.57 M HF and 1.13 M KF. I got the answer of 3.66 to 3 sig figs, but it's wrong. Can you please tell me what I did wrong? -Thanks

    asked by Katrina
  104. Chemistry

    Calculate the pH after 0.10 mol of HCl is added to 1.00 L of the solution that is 0.57 M HF and 1.13 M KF. I got 3.01, but it is wrong. What did I do wrong?

    asked by Mary
  105. chemistry

    Substance x has a molar mass of 107.6 g/mol. when 2.50 g of substance x burns in an iron calorimeter the temp. of calorimeter and water (2.000Kg)increases from 25.8 d Celsius to 38.7 d celsius. What is the molar heat of combustion of substance x in kJ/mol.

    asked by carla
  106. linguistics please!!!

    1. (a) Mary murdered the platypus (b) Mary killed something Select a maxim that is being flouted in this conversation. A.Quantity B. Manner C. Quality D. Relevance 2. Bob: Do you want to grab a cup of coffee sometime? Sally: Sure! I absolutely love

    asked by Marcella
  107. algebra

    Dertermine whether ech binomial is the difference of two squares, If so, factor it, if not explain why? -m^6 36s^2-4t^2 9b^4-200 x^2-16 x^2y^2+196

    asked by bianca
  108. algebra

    Find an equation of a polynomial function of degree 5 with integer coefficients with zeros 0, -2, and 1/2.

    asked by Dan
  109. Geometry

    Ok a Circle is 360 degree and the 100 feet of rope the how do I get the radius and or diemeter? I keep getting 6.283185307 as the radus but it does not seem right.

    asked by Jeannie
  110. math

    Find an equation of a polynomial function of degree 5 with integer coefficients with zeros 0, -2, and 1/2.

    asked by Dan
  111. grade nine polynomials

    (3/4) (1/-2) + (5/6) (-1/3)

    asked by brooke
  112. algebra

    how to: graph , substitution, and elimination y=2x+5 y=2x-8

    asked by karen
  113. financial management

    The current price of a stock is $33, and the annual risk-free rate is 6%. A call option with a strike price of $32 and with 1 year until expiration has a current value of $6.56. What is the value of a put option written on the stock with the same exercise

    asked by katu
  114. algebra

    convert to decimal 8.93x10^7

    asked by margie
  115. algebra

    5ã-1/1024

    asked by margie
  116. math

    Consider the polynomial x^3 + 6x^2 + 3x - 10. Without dividing, or graphing, which two of (x+2), (x-2), (x+1), and (x-1) must be factors of the polynomial? Why/how do you know?

    asked by Dan
  117. algebra

    how to: graph, substitution, and elimination y=3x+4 -12x+4y=16

    asked by wilma
  118. science

    what might happen to pastry dough that doesn't include enough water?

    asked by mackenzie
  119. Physics

    With what minimum speed must you toss a 130 g ball straight up to hit the 12 m-high roof of the gymnasium if you release the ball 1.3 m above the ground? I already figured out the minimum speed, 14m/s I'm confused on the next part With what speed does the

    asked by Cam
  120. math

    Stanwood Builders has a development of new homes. There are five different floor plans, four exterior colors, and an option of either two-car or three-car garage. How many choices are possible for one home? A. 60 B. 40 C. 20

    asked by mika
  121. Social

    Hi, I have to draw a cartoon 3-4 slides about capitalism and put like air bubbles with people talking. I was wondering if you have any ideas what the conversation could be about?

    asked by Jon
  122. English

    I included the five sentences I was most unsure of. Thank you for helping me. It's really urgent. 1) I was very proud of myself when I won a (the) regional roller-skating competition in 1998. (when I scored 4 goals one after the other/when I headed the

    asked by Mike
  123. physics

    in an experiment using Coulomb's apparatus, a sphere with a charge of 3.6 x 10^-8 C is 1.4 cm from a second sphere of unknown charge. The force between the spheres is 2.7 x 10^-2 N. What is the charge of the second sphere? I get 1.3 x 10^-4 C, but the

    asked by Sejul
  124. chemistry

    what is the molarity of the Cl- ions at the stoichiometric point

    asked by Amanda
  125. Economics

    Anna’s net income is $40,000 per year. What is the most she should spend towards housing each year?

    asked by LIssy
  126. english

    Every now and then, instead of using e-mail, mail a letter to your grandparents. We live in a fast-paced world. We feel comfortable using computers to send e-mails and Instant Message. Nana doesn’t live in that time zone. Forget all those fancy fonts and

    asked by Greg
  127. physics

    A 650g ball on the end of a light rod is rotated in a horizontal circle of 1.2m radius.Calculate the torque needed to keep the ball rotating if the air resistance exerts a force of .02N on the ball. Ignore the moment of inertia and the air resistance of

    asked by Mark
  128. Math

    A company contributes $170 per month into a retirement fund paying 4.20% compounded monthly and employees are permitted to invest up to $ 2,800 per year into another retirement fund which pays 4.20% compounded annually. How large can the combined

    asked by Megan
  129. math

    For the set X={m,n.p,q,r,s}, let R be the relation on P(X) (power set) given by A R B iff A and B have the same number of elements. List all the elements in {m}/R (equivalence class); in {m,n,p,q,r,s}/R. How many elements are in X/R? How many elements are

    asked by Pat
  130. Math

    Bank A is offering an interest rate of 6.60% compounded monthly, while bank B is offering an interest rate of 6.67% compounded quarterly. The effective rate offered by bank A =?%, while the effective rate offered by bank B = ?%.

    asked by Tracy
  131. chemistry

    A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 450 mL of a solution that has a concentration of Na+ ions of 0.700 M

    asked by allen
  132. math-combinations

    An executive committee of three is selected from a group of ten. Which expression best describes the number of combinations? A. 10P3 (small 10 and 3) B. 10! C. 3P10 (small 3 and 10) D. 10P3/3! (small 10 and 3 on top, big 3! on the bottom)

    asked by eryn
  133. calculas

    caluclas (intersection of three planes) HELP!!!? in the equations k is a real number 1.x-2y+z=4 2.x-y-z=3 3.x+y+kz=1 for what values of k does the system 1.have exactly one solution? 2.have an in finite number of solution?

    asked by ram
  134. physics

    A bar made of a particular metallic alloy has a length of 10 cm at a temperature of 24 oC and a length of 10.015 cm at the boiling point of water. (a) If a second bar made of the same material were 10 m at 24 oC, how much longer would this bar be at the

    asked by kelly
  135. PreCalculus

    How would you find the limit of (an + bn) when an=-2 and bn=-16? Or just how to find limits in general?

    asked by Court
  136. current events

    I;ve been looking around for a long time on the internet and i cannot find cureent republicans view on k-12 education and how they differ from democrats. someone please help. thankyou/

    asked by Anonymous
  137. math word problems

    I don't even know what this means. Please help Five cards are drawn in succession, without replacement, from a standard deck of 52 cards. How many sets of five cards are possible? A. 500 B. 12,994,800 C. 2,598,960 D. 433,160

    asked by kacee
  138. chemistry

    A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 500 mL of a solution that has a concentration of Na+ ions of 0.700 M

    asked by ionic
  139. Public Finance

    The cost of hiring a secuirty guard to patrol the neighborhood of a community is 300 per week Assuming that the marginal benefit of the first secuirty guard is 100 for each of the ten (n=10) individuals living in the community what is the optimal outcome

    asked by kilolo
  140. Biology - GI Tract

    In my notes it says that the last 2/3 of the esophagus is controlled by smooth muscle (controlled by ANS and ENS). What is ENS? I'm listening to the lecture the it's something nervous system but I have no idea what the E stands for.

    asked by Lena
  141. math

    The number of pages in tony's book is the quotient of the number of pages in Monique's book and four, increased by one. if m repesents the number of pages in Monique's book, write an algebraic expression for the number of pages in tony's book

    asked by mecca
  142. calculus

    An open box of maximum volume is to be made from a square piece of cardboard, 24 inches on each side, by cutting equal squares from the corners and turning up the sides to make the box. (a) Express the volume V of the box as a function of x, where x is

    asked by Anonymous
  143. 3rd grade math

    16 1/2 x 33 = is it 792

    asked by Sharon
  144. Calculus

    The Problem: The spherical top holds a little over 54,000 gallons of water. The base of the top is 60 feet above the ground. The diameter of the supporting column is one-third the radius of the sphere. The base of the supporting column flares out like a

    asked by Zach
  145. Chemistry-102

    What is the pH obtained by mixing 50.00mL of 0.100N HOAc (acetic acid) and 25.00mL of 0.200N NaOH?

    asked by Christian
  146. chemistry

    Using the activity series, write a balanced chemical equation for the following reactions: 1. iron metal is added to a solution of copper (II) nitrate 2. zinc metal is added to a solution of magnesium sulfate 3. hydrobromic acid is added to tin metal 4.

    asked by Jessica
  147. physics

    At a certain location, the solar power per unit area reaching the Earth's surface is 180 W/m2 averaged over a 24-hour day. Suppose you live in a solar powered house whose average power requirement is 3.2 kW. At what rate must solar energy reach your solar

    asked by sarah
  148. math

    An executive committee of three is selected from a group of ten. Which expression best describes the number of combinations? These are my choices. I have to have one of these as the answer. I am stuck. My answer was B. 10!, but I am still not sure. Can

    asked by lulu
  149. CHEM-102

    Calculate the pH of a solution prepared by mixing 10.00mL of 0.50M NaOH and 20.00mL of 0.50M benzoic acid solution. (Benzoic acid is monoprotic; its ionization constant is 6.7x10^-5).

    asked by Christian
  150. CHEM-102

    Ka for hypochlorous acid,HClO is 3.0x10^-8. Calculate the pH after 10.0, 20.0, 30.0, and 40.0mL of 0.100M NaOH have been added to 40.0mL of 0.100M HOCl.

    asked by Christian
  151. Math

    If you finance $50,000 of the purchase of your new home at 4.40% compounded monthly for 30 years, the monthly payment will be $250.38. If instead your had a rate of 4.80% compounded monthly for 15 years, the monthly payment will be $390.21. How much do you

    asked by Shannon
  152. geometry

    ms. p gave us a ? that was a right angle triangle & 1 side was "15ft" and the other side was"9ft".then she told us the answer was "67ft" and she told us we had to figure out how she got the answer.

    asked by ms. mysterious
  153. REBUS PUZZLES

    I need help with some rebus puzzles please. T H R O U G H The letters TRUH are in Bold color. E OV RRAT D E

    asked by joe
  154. REBUS PUZZLES

    These letters are written in large bold print. LIF Next puzzle: A bold diagonal line going from right to left.

    asked by joe
  155. English

    Thank you very much. I forgot to include the following sentences. 1) Refer to situations in which robotic planes have proved to be useful. 2) Which scientific methods does forensic science adopt to catch potential criminals? 3) What/Which skills are

    asked by Mike
  156. physics

    Muons are elementary particles that have a very short lifetime of about two millionth of a second (when at rest). They can be created in the upper atmosphere (at an altitude of say 10,000 meters) by cosmic rays, in which case they travel towards the

    asked by john
  157. physics

    Your spacecraft is in a circular, geostationary orbit around earth and you would like to fly to the moon. Draw a suitable Hohmann transfer orbit that will get you there. How long does the journey take? (Neglect the gravitational fields of the moon and the

    asked by john
  158. English

    I left out these last three sentences. I hope you can have a look at them, too. 1) I think you should tell Paul's parents that he steals things. You should talk to him before reporting him to the police. 2) I think you should wait till your birthday or

    asked by Mike
  159. physics

    a bullet was fired at a target 50m away with a muzzle velocity of 300m/s. if the barrel of the gun was horizontal, how far below the level of the gun did the bullet strike th target?

    asked by mike
  160. rebus puzzle

    I need a good rebus sit to help sove some rebus puzzles. thanks!

    asked by joe
  161. calculus

    find the area of one of the regions bounded by the curves y=sin x and y=cos x

    asked by monday
  162. math

    simplify and state the restrictions of a^2- 9b^2 / 5a^2-11ab-12b^2

    asked by ali
  163. Algebra

    use FOIL (2x^5-6)(x^6-3) My answer is -10x^22-18...but I am not sure that is right. Could someone please help.

    asked by Jake
  164. Physics

    the weight of an object changed by =25.0% the object's final weight was 2.5 grams. What is it's inital weight

    asked by Kia
  165. economics

    What is the face value of a municipal bond that has a bond (or coupon) interest rate of 6% per year and makes interest payments of 578 dollars every 1 months?

    asked by Rachel
  166. English

    Can you please check these last questions. Thank you very much!! 1) What are the most dominant themes in Shakespeare’s Macbeth? 2) How does Shakespeare define True Love in his famous sonnet The Marriage of true Minds? 3) What do the three witches stand

    asked by Mike
  167. Social

    Hi, I'm making a cartoon about capitalism for my class (3-4 slides). The concept I want to talk about is how capitalism allows people to own land and invest in their own capital. I'm not sure what the air bubbles to say, since it says should be short yet

    asked by Jon
  168. Math-PLEASE help!!

    An executive committee of three is selected from a group of ten. Which expression best describes the number of combinations? These are my choices. I have to have one of these as the answer. I am stuck. My answer was B. 10!, but I am still not sure. Can

    asked by lulu
  169. accounting

    P20-2A For the year ended December 31, 2010, the job cost sheets of DeVoe Company contained the following data. Job Number Explanation Direct Materials Direct Labor Manufacturing Overhead Total Costs 7640 Balance 1/1 $25,000 $24,000 $28,800 $77,800 Current

    asked by Holly
  170. physics

    You are driving a car with a power output of 56,000 Watts. How many seconds will it take to go from 0 m/s to 27 m/s?

    asked by Savannah
  171. English

    1. What do you not like doing? 2. What don't you like doing? 3. What do you hate doing? 4. What do you dislike doing? -I don't like doing computer games. (Which questions are commonly used? Are all grammatical?)

    asked by rfvv
  172. Chemistry

    The calcium in a 150 mL sample of water from the Ogeechee River at a location near Savannah was determined by precipitating Ca2+ as CaC2O4.H2O (FW=146.115 g/mol). The precipitate was collected by filtration, washed and then ignited [turning the CaC2O4.H2O

    asked by Anonymous
  173. Math

    Just for reference √ = square root Evaluate the following expressions: a) 3√12 - 7√75 b) 1 3/5 + 4/-15 c) -3 + (-5) +3 (-5) d) 3y+6/4 - y-3/2 = 3y/4

    asked by Alicia
  174. chemistry

    What chemical reaction is responsible for the endpoint observed when the NH3/NH4Cl buffer solution is titrated with HCl? Write a blanced ionic equation for the reaction.

    asked by redgy
  175. Physics

    A closed organ pipe 0.8 m long has a diameter of 7.0 cm. The air in the church is 15oC. What is the fundamental frequency? If the heat is turned up to 20oC, what is the new fundamental frequency?

    asked by Kiyah
  176. algebra

    Write a function rule for the area of a triangle whose base is 4 ft more than the height. What is the area of the triangle when its height is 6 ft?

    asked by thalia
  177. math

    If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a decrease of four times?

    asked by Mary
  178. chem 100

    how many moles of magnesium hydroxide are needed theoretically to neutralize 2.4 moles of hydrochloric acid?

    asked by sarah phillips
  179. UOP

    help solving 4c divided by 2c minus 4 plus 2c divided by 4c minus 8

    asked by Glenda
  180. Chemisrty

    I need help on what exactly to put on 10-12 slides on a pwoerpoint of anders celsius?? (for 2m)

    asked by Tiara
  181. algebra

    graph 3x+5y= 15 using the slope and y-intercept.

    asked by Anonymous
  182. chemistry

    This is from a "effect of pH on the solubility of Ca(OH)2" lab: If excess Ca(NO3)2 were present, what effect would it have on the solubility of Ca9OH)2? also, in a "effect of comlex ion formaiton on the solubility of NiCO3" lab": If HCl(aq) were added to

    asked by redgy
  183. 7th grade math

    2x+7=4x+3 ? 3x+6=5x+1 ? 2n+6=8N+3 ? 6N+9=9n+6 ?

    asked by holiday
  184. math

    (x/4−1/x)/(1/2x+1/4)

    asked by amber
  185. Chemistry

    At a particular temperature, K = 3.75 for the following reaction. SO2(g) + NO2(g) SO3(g) + NO(g)\ If all four gases had initial concentrations of 0.550 M, calculate the equilibrium concentrations of the gases.

    asked by Amber
  186. French

    i need help on my french test tomorrow... i have no idea what to study... please help me!!

    asked by Brithni
  187. chemistry

    how do you calculate the mass of water that will be produced when 5.0 grams of H2 is reacted with excess O2?

    asked by megan
  188. physics

    the polar-orbiting environmental satellites (POES) and some military satellites orbit at a much lower level in order to obtain more detailed information. POES complete an Earth orbit 14.1 times per day. What are the orbital speed and the altitude of POES?

    asked by victoria
  189. math

    at the end of every 3 months, Rita deposits $100 into an account that pays 5% compounded quarterly. After 5 yrs, she puts the accumulated amount into a certificate of deposit paying 8.5% compounded semiannually for 1 yr. when this certificate matures, how

    asked by ash
  190. math trivia

    larry has 3 children. the product of their ages is 36 and the sum of their ages wont help you. the youngest is blonde. how old are the children? this is a "fun" math activity? help!! :)

    asked by dawn
  191. chemistry

    What is the percent yield of the mass of water that will be produced when 5.0 grams of H2 is reacted with excess O2 if 40. g of water are actually recovered?

    asked by megan
  192. eth 125 week 1

    Select one of the following subordinate groups from Ch. 1 of the text, or, because the chapter does not list all subordinate groups, you may select any other group that has a documented history in the United States. Do not select your own ethnic group! o

    asked by latisha
  193. Chemistry

    What is the chemical formula for this compound? sodium diamminetetrachloroplatinate(IV)

    asked by George
  194. algebra

    y^4-14y^3+49y^2 y^2(y^2-14y+49) y^2(y-7)^2 if you solve a problem like this ^ then how do you solve this: x^2-4x+4 ?????

    asked by gena
  195. chemistry

    If you have 200.0 mL of a 30.0% aqueous solution of isopropyl alcohol, what volume of water is in the solution?

    asked by leilah
  196. Physics

    A radioactive nucleus is at rest when it spontaneously decays by emitting an electron and neutrino (as shown in the figure below ). The momentum of the electron is 8.11 x 10−19 kg·m/s and it is directed at right angles to that of the neutrino. The

    asked by Tom
  197. Math

    How do you know how many units are spread between the intervals? (For instance, 120-129, 130-139, units spread by 10) How would we answer this question? Thirty AA batteries were tested to determine how long they would last. The results, to the nearest

    asked by Jacob
  198. geometry

    a rectangle and an equilateral triangle have the same perimeter the length of the rectangle is 4 times its width the length of each side of the triangle is 55 centimeters what is the length,in centimeter of the triangle

    asked by tamara
  199. chem

    im studying for a test and i have no idea where to even start for this practice problem..?? a 0.15M(molarity im assuming)solution of BrCl2 contains.. a).15MBr2+ ions and .30M Cl- ions b).30MBr2+ ions and .15M Cl- ions c).15MBr2+ ions and .15M Cl- ions

    asked by hannah
  200. Geometry

    What is the equation that passes through the points (-4,0) and (8,12) A: y=6/5x+4 B: y=x+4 C: y=8/3x+4 D: y=x-4

    asked by Dartha
  201. calculus

    use antidifferentiation.... and find (1/the square root of 2x)dx

    asked by Anonymous
  202. english

    Janet left fingerprints on the glass, the detectives were able to solve the crime

    asked by tammy
  203. math

    prove that a triangle with the sides given by x^2 + 1, x^2 – 1, and 2x will always be a right triangle for x > 1, using pythagorean theorem

    asked by Anonymous
  204. physics

    A hunk of cast concrete with a weight of 10 N will float if it displaces 10 N of water.

    asked by aaron
  205. Biology - GI Tract

    I have a question about Vit B12. Where is it absorbed in the body? In lecture, the professor stated once that it's absorbed in the small intestine and then later stated it was the large intestine. I'm thinking small intestine makes more sense but I'd like

    asked by Lena
  206. physics

    The density of a solid ball with a mass of 231 g and a volume of 110 cm^3 is ____ g/cm^3.

    asked by aaron
  207. chemistry

    why must a clean rod be used each time?

    asked by fel
  208. chemistry

    Does the solution's acidity increase or decrease as potassium hydroxide is added to the solution? Explain your answer.

    asked by Tasha
  209. Geometry :]

    What is the equation for a line that passes through the points (2,1) and (-4,4) A: y=-1/2x+2 b: y=1/2x+2 c: y=-1/2x-2 d: y=1/2x-2

    asked by Dartha
  210. math

    What is the union of x and y? X. (3,6,9) Y. (5,10,15)

    asked by kyle
  211. MAth Im stuck on question can anyone help me ?

    Im stuck on this question can anyone help me ? I thought it was b but that's wrong Which situation can be modeled by tossing a coin 3 times A)choosing which one of sixteen teams will win a tournament? B)picking one of six math teacher, C)decide which

    asked by Mikah
  212. Physics

    A particle with a mass of 2.0×10−5 kg and a charge of +2.0 microC is released in a (parallel plate) uniform horizontal electric field of 13 N/C. If the plates are 5.6 cm on each side, how much charge is on each? (in pC) From what I have so far, the

    asked by Ben
  213. math

    you have a $5841 credit card debt, and you plan to pay it off through monthly payments of $71. if you are being charged 14% interest per year, how long will it take you to repay your debt?

    asked by ash
  214. Calculus.

    Given the function f with the restricted domain, find the points at which the tangent line is horizontal. f(x)=2sec(x)-tan(x) Domain: [-pi/2,pi/2] * I got (pi/6, square root of 3), but I am not sure if that is right, or if there is another point.

    asked by Ashley
  215. chemistry

    plan and design an experiment which would allow you to find the percentage by mass of copper in a sample of impure copper

    asked by kim
  216. social studies

    The knights role and fall of feudalism

    asked by Mary
  217. Calculus.

    What is the derivative of [(3t+4)/(6t-7)]^3?

    asked by Matt
  218. marketing

    47) When segmenting broad product-markets, cost considerations tend A. To lead to more aggregating. B. To lead to a large number of small, but very homogeneous, product-market segments. C. To be unimportant as long as the segmenting dimensions are

    asked by Anonymous
  219. MATH

    What tool do i use to find the measurement of the classroom floor.

    asked by Keisha
  220. chemistry

    lab question: explain why different masses of precipitate were obtained for test tube IV and V?

    asked by ekauwen
  221. Stoichiometry

    if 3.5 mol TiCl4 reacts with 4.5 mol O2, which is the limiting reactant?

    asked by Kathy
  222. Geometry :(

    What is the equation for a line that passes through the points (-3,-3) and (6,15)??? A: y=-2x+9 B:y=-2x-3 C:y=-2x+3 D:y=-2x-9 Please please help and thanks :)

    asked by Makenzie;)
  223. rebus puzzle

    What do the letters LIF mean They are written large and I need to solve for a rebus puzzle?

    asked by kely
  224. algebra rebus puzzle

    What does a diagonal line going from right to left mean? This is a rebus puzzle.

    asked by kely
  225. rebus

    T H R O U G H The TRUG are in bold print. Solve ffor a rebus puzzle.

    asked by kely
  226. PreCalc

    The sun rises at 6 AM and is directly overhead at noon, estimate the time (hour and minutes) when a 34-foot tree will have a 14-foot shadow.

    asked by Sam
  227. Math

    A 30-m tall flag pole and its shadow form the sides of a right triangle. On this particular day, the sun rises at 6 AM and sets at 6 PM. At what time of the morning (to the nearest minute) will the length of the shadow be exactly 40 m? (Hint: determine the

    asked by Cara
  228. science

    what is the indepenpent variable when i make a home made lava lamp

    asked by iliana
  229. economics

    Consider an economy with the production function L^(1/3) a) Derive the Labor demand Curve b) If Labor supply curve is L^s= (w/p), calculate the equilibrium levels of real wage, labor and output. c) Assume M^s= 45 and k=3 . What is the equation of the

    asked by josh
  230. Chemistry

    I'm trying to calculate the enthalpy of the reaction Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2 (g) however I cannot find the enthalpy of the compound MgCl2 (aq) and I cannot calculate the total enthalpy without it

    asked by Kirstie
  231. Biology- GI Tract

    I have a question regarding the gastric wall. Do the epithelial cells of the mucosa secrete substances directly into the lumen or do they secrete into the gastric pits then then from there the substances go into the lumen?

    asked by Lena
  232. physics help

    At a certain location, the solar power per unit area reaching the Earth's surface is 180 W/m2 averaged over a 24-hour day. Suppose you live in a solar powered house whose average power requirement is 3.2 kW. At what rate must solar energy reach your solar

    asked by sarah
  233. Reading

    Experienced superhighway drivers know the importance of staying behind or ahead of what some people call wolf packs –- several fast-moving vehicles bunched together. Wolf-packing can be the cause of high-speed fatalities. This passage was probably

    asked by Arlynn
  234. physics

    The terminal velocity of a 4×10−5 {\rm kg} raindrop is about 9 {\rm m/s}. Assuming a drag force F_{\rm{D}} = - bv, Assuming a drag force determine the value of the constant b.

    asked by aidan
  235. Biology - The Stomach

    When referring to the lumen of the stomach is that just the opening. As in where are the HCl is and where your food enters? I googled the definition of lumen and it says inside space. I'm just not too clear on what it really means. Thanks.

    asked by Lena
  236. science

    Eukaryotes have a membrane bound nucleus that contains ______________ genetic material

    asked by Anonymous
  237. chemistry

    A 20.1 mL sample of a weak monoprotic acid, HX, requires 50.0 mL of 0.060 M NaOH to reach the equivalence point. After the addition of 30.0 mL of NaOH, the pH is 4.90. What is the Ka of HX?

    asked by Anonymous
  238. Chemistry

    the type of reaction in a voltaic cell is best described as 1.spontaneous oxidation reaction only 2.nonspontaneous oxidation reaction only 3.spontaneous oxidation-reduction reaction 4.nonspontaneous oxidation-reduction reaction i know its spontaneous, but

    asked by lisa
  239. math

    pivot the system about the element in row 2, column 1: -5 5 l -7 10 4 l 4

    asked by Leah
  240. Math

    how do i solve 2q/(2q+3)-2q/(2q-3)=1

    asked by Marylyn
  241. Math

    lnx+ln(x+3)=2

    asked by Laura Grace
  242. Math

    A normal cake is divided into the maximum number of pieces, p, by c slices. When c = 1, 2, 3, 4, 5, and 6, the cake is divided into 2, 4, 8, 15, 26, and 42 slices respectively. What is the maximum number of pieces into which the cake can be divided when it

    asked by Hermione
  243. Pre-Calc

    300=5000^e*.3x

    asked by Linda
  244. Math

    ln(x+3) + ln(x+4) = 3ln2

    asked by Connor
  245. History

    Were Athen boys forced to serve in the army?

    asked by Ann
  246. math

    Of the 400 doctors who attended a conference, 240 practiced family medicine and 130 were from countries outside the United States. One-third of the family medicine doctors were not from the united states. What is the probability that randomly selected

    asked by Freakafreak out, please help
  247. Please help. Thank you!

    There are 6 people in a gardening club. Each gardener orders seeds from a list of 11 different types of available seeds. What is the probability that at least 2 gardeners order the same type of seeds?

    asked by Freakafreak out, please help
  248. Calculus

    What is the limit of: -x^5+2x^4-x^2+1?

    asked by Deanna
  249. math

    Ben rolls a standard number cube (sides labeled with numbers 1 through 6). Find the probability that Ben rolls a number greater than 2 or an even number.

    asked by please help...thank you
  250. MAth

    1/2ln(x+3)-lnx=0

    asked by Meredith
  251. algebra II

    Find the payment necessary to amortize the loan. 11) $ 1500; 6% compounded annually; 7 annual payments 11) _____ A) $ 271.33 B) $ 241.55 C) $ 305.05 D) $ 268.70

    asked by Lin
  252. 7th grade math

    what is an equation?

    asked by holiday
  253. 7th grade math

    what is an equation?

    asked by holiday
  254. Math

    A population of 250 frogs increases at an annual rate of 22%. a. Write an exponential function to model the population of frogs.

    asked by Algebra 2. Help, PLEASE!
  255. lab questions (chemistry)

    why must not the condensed water drip into the flask?

    asked by felaa
  256. Math

    A population of 250 frogs increases at an annual rate of 22%. a. Write an exponential function to model the population of frogs. b. Find the population of frogs after 5 years.

    asked by Algebra 2. Help, PLEASE!
  257. Chemistry

    In the classroom, we reacted Mg(s) + 2HCl -> MgCl2(aq) + H2 (g) (0.31 g of Mg(s), and 99.46 g of HCl) Initial temp. = 22.5 celsius, max. temp. 36.0 celsius and MgO(s) + 2HCl -> MgCl2(aq) + H2(g) (1.00 g of MgO(s) and 97.71 g of HCl) Initial temp. 22.0

    asked by Kara
  258. french

    Hi, if I want to say: I will go to China, Greece, and Egypt. ...would this be correct?: J'irai en Chine, la Grece, et l'Egypte. Or would I just list them? Thanks!

    asked by kat
  259. business

    The conceptual framework developed by the Financial Accounting Standards Board

    asked by ELAINE
  260. physics

    THERE ARE 10 WAYS TO DRAW A CIRCUIT WITH FOUR 5OHM RESISTORS. WHAT ARE THEY?

    asked by KARA